Web & Web App Development

Scalable Web Solutions for Enterprise Digital Transformation

Building high-performance, secure, and user-centric web applications tailored to the complex requirements of Japanese industries. From internal management systems to global e-commerce platforms.

Our Core Services

We build modern, scalable web applications tailored to your business needs—from initial UI/UX design and prototyping to full-stack development, cloud deployment, and system modernization. Whether you need a complete project delivery or a dedicated development team, we help turn your ideas into secure, high-performance web platforms.

SaaS & Product Development

Building robust, multi-tenant SaaS platforms with focus on high availability, security, and seamless user experience to help you scale your digital business.

Custom API & System Integration

Seamlessly connecting your web applications with third-party services, payment gateways, or legacy databases to create a unified digital ecosystem.

Kintone Customization

Customizing and integrating Kintone through API, plugins, and JavaScript/CSS to build a tailored, high-performance business platform.

Legacy System Modernization

Transforming outdated web platforms into modern, maintainable architectures (Microservices/Serverless) without data loss or business interruption.

Why VAIX?

Because modern web platforms require more than functionality - they require performance, scalability, and flexibility.

Cost optimization

Saving 35%-50% compared to onsite team.

One-time Delivery

We deliver development projects based on clearly defined scope, schedule, and quality requirements.

Diverse development engagement models

We offer diverse development engagement models to flexibly meet different project scopes, timelines, and business needs

Improvement Capability

We design the web & web apps that are able to improve to enhance performance, usability, and long-term stability.

Tailor-made Web Solutions

We provide web and web application development services for Japanese enterprises both in Japan and in Vietnam, focusing on flexible responses to individual business requirements. As a compact and dedicated outsourcing team, we work closely with our clients to develop corporate websites that emphasize clarity, usability, and reliability, as well as practical web applications that support daily operations and internal workflows.

Our development approach prioritizes simple and maintainable designs, ensuring long-term usability and scalability. We carefully follow agreed specifications, schedules, and quality standards throughout each project. Clear communication and shared understanding are maintained to avoid risks and misunderstandings. Security, system stability, and operational continuity are always taken into consideration. Through continuous support and post-release maintenance, we aim to build long-term, trusted partnerships with our Japanese clients.

Kintone Customization

What is Kintone?

Kintone is a web database type business application construction cloud service provided by Cybozu, Inc. Applications such as project management, progress management, and daily report management can be created without programming. Business owners can modify it as necessary, and it is possible to operate the application more in line with the business. It also can house SNS that activates connections between employees; so you can quickly share information within your team or your corporation.

Process of developing a Kintone application

Create: Build an app from scratch or use one of available templates for sales, admin, HR, and more. If you need help to customize your Kintone application, feel free to discuss with us anytime.
Use: Once your apps are built, you can track your data through custom views to see the metrics that matter most for your bottom line. If necessary, you can even request us to add custom workflows to effectively manage your tasks.
Optimize: After using the app, if you need to change a workflow or update the information of your database app, we can support you to redesign and relaunch the app that best suits your company.

What VAIX can do?

Leveraging our deep expertise in Digital Transformation (DX), VAIX empowers businesses to transcend the standard boundaries of Kintone through high-end technical engineering. We specialize in bridging the gap between out-of-the-box features and complex industrial requirements, ensuring your platform is as unique as your workflow. Our team combines rigorous technical precision with a focus on seamless user experience to deliver scalable, future-proof solutions. From intricate backend integrations to refined frontend enhancements, we turn Kintone into a powerhouse for your enterprise efficiency.

System & API Integration

Synchronize Kintone with your existing ERP, CRM, or legacy systems to ensure a unified, automated data ecosystem.

Plugin Development

Engineering custom-built plugins to introduce complex business logic and functionalities that exceed standard platform capabilities.

Advanced UI/UX Tailoring

Elevating the interface with expert JavaScript/CSS to provide a sophisticated, branded user experience that maximizes adoption.

Kintone Introduction Video

Ready to unlock the full potential of Kintone? Don't let technical limitations slow your growth. Contact VAIX today for a free technical consultation and let's build a workspace that truly works for you.